★ 7 
Acting
William Langan
William Langan is best known for Numb3rs and Law & Order: Criminal Intent.
Known for
Filmography
- 2005Numb3rsChief Robaire
- 2001Law & Order: Criminal IntentRandolph Kittridge
Frequently asked questions
What movies and shows has William Langan been in?
William Langan is best known for Numb3rs and Law & Order: Criminal Intent.
Updated: November 3, 2026 ·